70520420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 87187228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 844, 983, 1055, 1966, 2110, 3587, 3932, 4220, 4915, 7174, 9830, 14348, 16711, 17935, 19660, 33422, 35870, 66844, 71740, 83555, 167110, 207413, 334220, 414826, 829652, 1037065, 2074130, 3526021, 4148260, 7052042, 14104084, 17630105, 35260210, 70520420]

約数ペア:

[(1, 70520420), (2, 35260210), (4, 17630105), (5, 14104084), (10, 7052042), (17, 4148260), (20, 3526021), (34, 2074130), (68, 1037065), (85, 829652), (170, 414826), (211, 334220), (340, 207413), (422, 167110), (844, 83555), (983, 71740), (1055, 66844), (1966, 35870), (2110, 33422), (3587, 19660), (3932, 17935), (4220, 16711), (4915, 14348), (7174, 9830)]